Journal of Vibration and Acoustics: Recent submissions
Now showing items 461-480 of 3913
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Vibrational Properties of a Hemispherical Shell With Its Inner Fluid Pressure: An Inverse Method for Noninvasive Intracranial Pressure Monitoring
(The American Society of Mechanical Engineers (ASME), 2019)Vibration due to a hammer impact on an aluminum hemisphere fully filled with water is determined to study the frequency response of the structure at different inner fluid pressures. Modal analysis techniques are utilized ... -
Analytical Model for Low-Frequency Transmission Loss Calculation of Zero-Prestressed Plates With Arbitrary Mass Loading
(The American Society of Mechanical Engineers (ASME), 2019)As the importance of sound attenuation through weight-critical structures has grown and mass law based strategies have proven impractical, engineers have pursued alternative approaches for sound attenuation. Membrane-type ... -
Miniature Fiber Optic Acoustic Pressure Sensors With Air-Backed Graphene Diaphragms
(The American Society of Mechanical Engineers (ASME), 2019)Graphene has been known to possess exceptional mechanical properties, including its extremely high Young’s modulus and atomic layer thickness. Although there are several reported fiber optic pressure sensors using graphene ... -
Exact Solutions to H∞ and H2 Optimizations of Passive Resonant Shunt Circuit for Electromagnetic or Piezoelectric Shunt Damper
(The American Society of Mechanical Engineers (ASME), 2019)In this work, exact closed-form solutions are derived for optimizing the resonant shunt circuits of electromagnetic shunt dampers (EMSDs), which use an electromagnetic transducer, and piezoelectric shunt dampers (PZSDs), ... -
Analytical Passive Time Reversal Method Combined With Equivalent Source Method for Sound Source Localization in an Enclosure
(The American Society of Mechanical Engineers (ASME), 2019)The analytical passive time reversal method (APTRM) is a powerful technique for sound source localization. In that technique, it generally requires that the frequency response function relating the measurement point to the ... -
Erratum: “Nonlinear Vibrations of Buried Rectangular Plate” [ASME J. Vib. Acoust., 2018, 140(5), p. 051010; DOI: 10.1115/1.4039538]
(The American Society of Mechanical Engineers (ASME), 2019) -
Frequency Response-Based Indirect Load Identification Using Optimum Placement of Strain Gages and Accelerometers
(The American Society of Mechanical Engineers (ASME), 2019)This paper presents an approach for indirect identification of dynamic loads acting on a structure through measurement of structural response at a finite number of optimally selected locations. Using the concept of frequency ... -
Stable and Accurate Computation of Dispersion Relations for Layered Waveguides, Semi-Infinite Spaces and Infinite Spaces
(The American Society of Mechanical Engineers (ASME), 2019)This paper studies the dispersion characteristics of guided waves in layered finite media, surface waves in layered semi-infinite spaces, and Stoneley waves in layered infinite spaces. Using the precise integration method ... -
Analytical Study of Coupling Effects for Vibrations of Cable-Harnessed Beam Structures
(The American Society of Mechanical Engineers (ASME), 2019)This paper presents a distributed parameter model to study the effects of the harnessing cables on the dynamics of a host structure motivated by space structures applications. The structure is modeled using both Euler–Bernoulli ... -
Improving Model Parameters in Vibrating Systems Using Neumann Series
(The American Society of Mechanical Engineers (ASME), 2019)A method is presented to improve the estimates of material properties, dimensions, and other model parameters for linear vibrating systems. The method improves the estimates of a single model parameter of interest by finding ... -
Using a Dynamic Substructuring Approach to Model the Effects of Acoustic Damping in Coupled Acoustic–Structure Systems
(The American Society of Mechanical Engineers (ASME), 2019)Acoustic–structure coupling can substantially alter the frequency response of air-filled structures. Coupling effects typically manifest as two resonance peaks at frequencies above and below the resonant frequency of the ... -
A New Technique of Gear Mesh Stiffness Measurement Using Experimental Modal Analysis
(The American Society of Mechanical Engineers (ASME), 2019)Accurately measured mesh stiffness (MS) of gear pair is used in the mathematical model of the gearbox for doing the vibration analysis. Mesh stiffness measurement by experimental techniques is an import aspect for measuring ... -
A Miniature Four-Microphone Array for Two-Dimensional Direction-of-Arrival Estimation Based on Biomimetic Time-Delay Magnification
(The American Society of Mechanical Engineers (ASME), 2019)A miniature microphone array based on interaural time difference (ITD) is designed. This array contains four microphones with certain arrangement and aims for two-dimensional (azimuth and elevation) direction-of-arrival ... -
Nonlinear Vibration of Saturated Water Journal Bearing and Bifurcation Analysis
(The American Society of Mechanical Engineers (ASME), 2019)We developed a turbo compressor that has water-lubricated bearings driven at 30,000 rpm in a saturation condition, where the ambient pressure is at the saturation point of the discharged lubricant water. The bearings are ... -
Determination of the Vertical Vibration of a Ballasted Railway Track to Be Used in the Experimental Detection of Wheel Flats in Metropolitan Railways
(The American Society of Mechanical Engineers (ASME), 2019)This paper presents a mathematical model used to obtain the vertical vibration of a ballasted railway track when a wheel is passing at a certain speed over a fixed location of the rail. The aim of this simulation is to ... -
Two-Dimensional Arbitrarily Shaped Acoustic Cloaks With Triangular Patterns of Homogeneous Properties
(The American Society of Mechanical Engineers (ASME), 2019)Acoustic cloaking is an intriguing phenomenon that has attracted lots of attention. The required inhomogeneous and anisotropic properties of acoustic cloaks derived with transformation acoustics make them difficult to ... -
A Finite Strip for the Vibration Analysis of Rotating Toroidal Shell Under Internal Pressure
(The American Society of Mechanical Engineers (ASME), 2019)In this paper, a finite strip for vibration analysis of rotating toroidal shells subjected to internal pressure is developed. The expressions for strain and kinetic energies are formulated in a previous paper in which ... -
Friction-Induced Vibration Due to Mode-Coupling and Intermittent Contact Loss
(The American Society of Mechanical Engineers (ASME), 2019)A two degrees-of-freedom (2DOFs) single mass-on-belt model is employed to study friction-induced instability due to mode-coupling. Three springs, one representing contact stiffness, the second providing lateral stiffness, ... -
Real-Time Tuning of Delayed Resonator-Based Absorbers for Spectral and Spatial Variations
(The American Society of Mechanical Engineers (ASME), 2019)This paper offers two interlinked contributions in the field of vibration absorption. The first involves an active tuning of an absorber for spectral and spatial variations. The second contribution is a set of generalized ... -
Resonant Ultrasound Spectroscopy: Sensitivity Analysis for Isotropic Materials and Anisotropic Materials With Cubic Symmetry
(The American Society of Mechanical Engineers (ASME), 2019)Resonant ultrasound spectroscopy (RUS) is an experimental method to measure elastic and anelastic properties of materials. The RUS experiment is conducted by exciting a specimen with a simple geometry and measuring resonant ...